package com.opp.demo01;

public class Demo02 {
    public static void main(String[] args) {
        //实例化这个类 new
        //对象类型  对象名 = 对象值
        Student student = new Student();

        student.say();
    }

    public static void a(){
        b();
    }
    public static void b(){

    }
}
